Insulated Duct For Bathroom Exhaust Fan

This additional insulation provides greater thermal efficiency to save energy.

Insulated duct for bathroom exhaust fan.

You can also run the fan longer at least 10 to 15 minutes after showering is a good baseline so the ice melts or doesn t freeze in the first place. Insulated flexible duct r6 silver jacket is used in standard heating and air conditioning hvac systems and some venting applications. In un conditioned space such as an attic where otherwise your fan duct will be exposed to cold attic air in winter use insulated solid metal ducting or insulated flex duct. The common solutions to this ice problem are to use a higher powered fan use a larger diameter shorter duct run and wrap the pipe with better duct insulation.

Otherwise the warm moist air will condense inside the duct. This is much easier to do if you have attic access because if you don t you usually have to remove some ceiling drywall and run the ducts along a joist. Insulating around a bathroom exhaust fan it s a diy project and if you love to do some small diy projects probably you already have all the things you need. Kitchen vent fans require metal ductwork for fire safety.

The master flow 4 in. Solid metal vs flex duct for kitchen and bath vent fans. The ducting of your exhaust fan should be properly insulated. I used flexible 4 aluminum duct to the exhaust damper on the roof.

The building code requires a bathroom exhaust fan to vent outside the building so installation of a new bathroom fan necessarily involves installation of ductwork. I recently installed a bathroom exhaust fan. For optimum venting use insulated 4 or larger metal ductwork rather than flexduct that may sag giving you areas that collect water and risk leaking into a ceiling below. The duct runs in my attic above the bathroom ceiling two story home.

This is non usable space and it is well ventilated with ridge and soffit ventilation so it does get cold in the winter.